min-height=200px
* 
    -webkit-box-sizing: border-box; 
    -moz-box-sizing: border-box;
    box-sizing: border-box; 
.mdeditor 
    position:relative
    font-size:12px
    font: 13px/1.4 Helvetica, arial, nimbussansl, liberationsans, freesans, clean, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    .mde_textarea,.mde_preview
        min-height:min-height
        border-radius: 5px
    .mde_textarea
        display: block
        width: 100%
        padding: 5px
        font-size: 14px
        line-height: 1.42857143
        color: #555
        background-color: #fff
        background-image: none
        border: 1px solid #ccc
        -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075)
        box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075)
        -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s
        -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s
        transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s
        max-width:100%
        position:absolute
        top:0
        resize:none
        &:focus
            border-color: #66afe9
            outline: 0
            -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6)
            box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6)
        &::-moz-placeholder 
            color: #999
            opacity: 1
            
        &:-ms-input-placeholder 
            color: #999
        &::-webkit-input-placeholder 
            color: #999
    .mde_preview
        margin:0
        padding:15px
        background-color:#fff
        position:relative
        overflow: auto
        border:1px solid #E6E6E6
    .mde_tools
        position: absolute
        padding: 5px 5px 0 0
        right: 0
        top: 0
        z-index: 11
        i 
            display: block
            background: #6E6E6E
            font-style: inherit
            cursor: pointer
            padding: 1px 4px
            border-radius: 3px 
            color: #fff
            &:hover
                background:#009EFF
            &:active
                background:red


.markdown_body 
    background:#fff
    word-wrap: break-word
    overflow: hidden
    font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, freesans, sans-serif
    font-size: 16px
    line-height: 1.4em
    &>*:first-child
        margin-top: 0 !important

    h1,h2,h3,h4,h5,h6
        position: relative
        margin-top: 1em
        margin-bottom: 16px
        font-weight: bold
        line-height: 1.4
    h1,h2
        border-bottom: 1px solid #eee
    h1
        font-size: 2.25em
        line-height: 1.2
        padding-bottom: 0.3em
    h2
        padding-bottom: 0.3em
        font-size: 1.75em
        line-height: 1.225
        border-bottom:1px dashed #eee
    blockquote
        padding: 0 15px
        color: #777
        border-left: 4px solid #ddd
        margin: 0;
        &>:last-child
            margin-bottom: 0
        &>:first-child
            margin-top: 0
    p,blockquote,ul,ol,dl,table,pre
        margin-top: 0;
        margin-bottom: 16px
    ul,ol
        padding-left: 1.4em
        list-style:initial
    pre
        padding: 16px
        overflow: auto
        font-size: 85%
        line-height: 1.45
        background-color: #EEEEEE
        border-radius: 3px
        code
            background-color:transparent
            color: inherit;

        code:before,code:after,tt:before,tt:after
            letter-spacing: 0;
            content: "";
    code,tt
        padding: 0
        padding-top: 0.2em
        padding-bottom: 0.2em
        margin: 0
        font-size: 85%
        background-color: rgba(0,0,0,0.04)
        border-radius: 3px
        color: #c7254e;
    code:before,code:after,tt:before,tt:after
        letter-spacing: -0.2em
        content: "\00a0"
    table
        width: 100%
        border-collapse: collapse
        border-spacing: 0
        max-width: 100%
        display: block
        background-color: transparent
        th,td
            border: 1px solid #ddd
            padding: 4px 10px
        th
            font-weight: bold
            background: #F3F3F3
        tr:nth-child(2n) 
            background-color: #f8f8f8;
